A growing body of research has raised concerns about the number of individuals diagnosed with autism spectrum disorder (ASD) according to DSM-IV-TR who may no longer qualify for diagnoses under the new DSM-5 criteria, published in May 2013. The current study systematically reviews 25 articles evaluating samples according to both DSM-IV-TR and DSM-5 ASD criteria. Consistent with previous reviews, the majority of included studies indicated between 50 and 75 % of individuals will maintain diagnoses. We conducted visual analyses of subgroups using harvest plots and found the greatest decreases among high-functioning populations with IQs over 70 and/or previous diagnoses of PDD-NOS or Asperger’s disorder. We discuss the potential research and clinical implications of reduced numbers of individuals diagnosed with ASD.
CITATION STYLE
Smith, I. C., Reichow, B., & Volkmar, F. R. (2015). The Effects of DSM-5 Criteria on Number of Individuals Diagnosed with Autism Spectrum Disorder: A Systematic Review. Journal of Autism and Developmental Disorders, 45(8), 2541–2552. https://doi.org/10.1007/s10803-015-2423-8
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